5110661 has 2 divisors, whose sum is σ = 5110662. Its totient is φ = 5110660.

The previous prime is 5110643. The next prime is 5110709. The reversal of 5110661 is 1660115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4813636 + 297025 = 2194^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 5110661 - 2⁶ = 5110597 is a prime.

It is a super-2 number, since 2×5110661² = 52237711713842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5110361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555330 + 2555331.

It is an arithmetic number, because the mean of its divisors is an integer number (2555331).

Almost surely, 2^5110661 is an apocalyptic number.

It is an amenable number.

5110661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5110661 is an equidigital number, since it uses as much as digits as its factorization.

5110661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 5110661 is about 2260.6771109559. The cubic root of 5110661 is about 172.2499183731.

Adding to 5110661 its reverse (1660115), we get a palindrome (6770776).

The spelling of 5110661 in words is "five million, one hundred ten thousand, six hundred sixty-one".